配置：CI 测试固定 silent: true，统一静默成功用例输出

scripts/project-ci-workflow.test.ts

@@ -75,6 +75,12 @@ const jobsWithoutNpmInstall: readonly string[] = [
 const rootPackageJson = JSON.parse(
   readFileSync(resolve(process.cwd(), 'package.json'), 'utf8'),
 ) as { scripts?: Record<string, string> };
+// 前端与 AGC 的 CI 测试都跑根 vitest 配置（`vitest.frontend-ci.config.ts` 也 merge 它），
+// 这里钉住「成功用例静默」，避免有人顺手删掉后 CI 日志重新被 act 警告与 dev 日志刷屏。
+const rootVitestConfig = readFileSync(
+  resolve(process.cwd(), 'vitest.config.ts'),
+  'utf8',
+);
 const nativeShellGateScript = readFileSync(
   resolve(process.cwd(), 'scripts/check-native-shells.mjs'),
   'utf8',
@@ -540,6 +546,10 @@ describe('project CI workflow', () => {
     ).toHaveLength(2);
   });
 
+  it('keeps passing CI tests silent so only failures reach the log', () => {
+    expect(rootVitestConfig).toMatch(/^\s*silent:\s*true,$/mu);
+  });
+
   it('keeps frontend, operations fixture, and native shell gates in dedicated jobs', () => {
     const frontendJob = jobSection('frontend-tests');
     expect(frontendJob).toMatch(/^ {8}run: npm run test:ci:frontend$/mu);